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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. Vollmeise

    Mics mono/stereo

    Besaide, thx for sharing Your tests with us. I can see that you put a fair amount of effort into getting the best results. I think, however, that I have not yet fully understood your comparison setup. - the source of the singing firecrest was placed fix? - Your backpack recorder and mic was...
  2. Vollmeise

    Mics mono/stereo

    besaide, in the case of a boundary microphone, a microphone capsule has to be inserted flush into a plate with a flat, smooth surface (the microphone capsule must not protrude from the surface). To realise this you could, for example, take a discarded CD, in whose central opening you fit an...
  3. Vollmeise

    Mics mono/stereo

    besaide, as you'll rebuild the "umbrella", you can focus on a parabolic mic with a double-sided boundary microphone inside, using the AOM5024L. The boundary microphone's principle itself will lead up to 6 dB of amplification, the double sided usage will allow you to get a real stereo signal...
  4. Vollmeise

    Mics mono/stereo

    besaite, I'm afraid the housing of your mics will work as a shield and and this will lead to no amplifying effect of the squirrel / umbrella at all, because sound cannot hit the microphone(s) from the back and the sides. Maybe You should place the capsule with almost no housing right into the...
  5. Vollmeise

    Mics mono/stereo

    @besaide, unfortunately it is not possible to create a stereo signal from a single or two identical mono signals. The principle of stereo recording takes place on two microphones that record two different audio signals from a slightly offset distance. This alone creates a "spatial" sound...
  6. Vollmeise

    Mics mono/stereo

    So maybe You should take a look at dodotronics stereo mics specially made for parabola use. They also do use a splitting baffle and a set of four high sensitive condenser mic capsules (2 at its left / two at its right hand side). You can order them separately for DIY parabola projects or as a...
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